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General Motors says it will rebuild OnStar as an AI assistant spanning vehicles, phones and cloud services, with the feature due to launch in the 2027 Cadillac Lyriq in the coming months. Starting in 2027, GM also plans to replace its separate Chevrolet, GMC, Cadillac and Buick apps with one OnStar app. Compatibility, pricing and the full rollout schedule have not been detailed.
General Motors is rebuilding OnStar as an AI-powered assistant that can work across its vehicles, a new smartphone app and cloud services, while planning to retire its separate Chevrolet, GMC, Cadillac and Buick apps. GM says the onboard assistant will debut in the 2027 Cadillac Lyriq through an over-the-air update in the coming months, extending a long-running vehicle service into a wider digital platform.
At an event in New York City on Wednesday, GM executives described an assistant intended to use information such as vehicle signals, location, routes, weather and a user’s calendar to offer guidance or help coordinate tasks. Chief Product Officer Sterling Anderson said, “The intelligence of OnStar will exist everywhere.” He described the planned system as spanning the car, phone, cloud and fleet-management software. GM also said owners will still be able to call and speak with a person through OnStar.
Anderson illustrated the intended personalization with a scheduling example: if a driver is running late to soccer practice, the system could account for a partner’s location and a scheduled grocery pickup, then move the pickup and notify others of a schedule change. These were examples of what GM wants the assistant to do, not confirmation that every capability will be available at launch. The company has not provided a complete feature list or said how users would authorize individual actions.
GM plans a single OnStar smartphone app beginning in 2027, bringing vehicles from its brands together in one place. The app is also expected to provide alerts and guidance informed by vehicle and route conditions. Another planned feature, Connected Cameras, would record certain incidents automatically, upload footage to the app through the cloud and notify the owner. GM’s example of a possible trigger was an aggressive horn honk.
One Assistant Across GM Vehicles
The plan would change OnStar from a service centered on connected-car functions into a proposed interface for managing vehicles and some related daily tasks. For owners with more than one GM vehicle, consolidating brand apps could also reduce the need to switch between separate applications. The practical value will depend on which models receive the features and whether the assistant can reliably interpret information and coordinate actions that involve other people or services.
The proposal also puts privacy and control at the center of the product’s reception. Calendar, location, microphone and camera access can reveal sensitive information. GM said users will be able to see what information a feature uses, why it is needed and when it is active, and will be able to control permissions. Anderson said Connected Cameras footage would be encrypted end-to-end and accessible and shareable only by the owner. Those statements describe GM’s plan; detailed settings and operating rules were not demonstrated at the event.
AI car assistant for Cadillac Lyriq
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OnStar’s Shift Beyond the Car
OnStar has been part of GM’s connected-vehicle offerings for 30 years. The Drive reported that the service has more than 12 million subscribers, giving GM an existing customer base for the expanded system. The new announcement builds on that service rather than describing a standalone assistant unrelated to GM vehicles.
The initial vehicle launch is planned for the 2027 Cadillac Lyriq, delivered through an over-the-air update. Anna Santos, GM’s director of product management for voice and vehicle AI, told The Drive that backward compatibility with some earlier GM vehicles is theoretically possible and that the company aims to bring the assistant to vehicles where it can. The Lyriq uses a Qualcomm Snapdragon infotainment processor, which is also used in many other GM electric vehicles, but that shared hardware alone does not confirm compatibility.
GM also said the assistant is planned for future vehicles beyond the Lyriq. The new Chevrolet Silverado 1500 and GMC Sierra 1500, along with other upcoming models, are among the vehicles expected to feature OnStar AI in the future. The company has not given model-by-model launch dates.
“The intelligence of OnStar will exist everywhere.”
— Sterling Anderson, GM chief product officer, as quoted by The Drive
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Compatibility, Controls and Cost
GM has not named the Lyriq update’s exact release date, listed all launch capabilities or confirmed which earlier models will support the assistant. It also has not specified whether access will require a subscription, how the consolidated app will affect existing app users, or which markets will receive the service first.
The company described planned privacy controls but did not show the settings at the event. Details also remain unavailable on how Connected Cameras will decide that an incident warrants recording, how long footage will be retained, and whether the feature will be optional by default or require a particular vehicle package. The examples of scheduling help and automatic incident capture should not be read as proof those functions will work in every vehicle or circumstance.
connected car camera with cloud upload
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Lyriq Update and App Rollout
GM says the OnStar AI assistant is due to reach the 2027 Cadillac Lyriq through an over-the-air update in the coming months. The company has not announced a specific date. It says additional models, including future versions of the Silverado 1500 and Sierra 1500, are planned to follow.
The single OnStar app is planned to begin replacing the separate brand apps in 2027. More details will be needed to establish which vehicles and app functions are included, how owners manage data permissions and how the new service is priced. Until GM provides those details, the scope of the rollout remains subject to change.
vehicle AI assistant smartphone app
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Key Questions
When will GM’s OnStar AI assistant launch?
GM says it is planned for the 2027 Cadillac Lyriq in the coming months through an over-the-air update. An exact release date has not been announced.
Will the assistant work in older GM vehicles?
GM has not confirmed a list of compatible vehicles. Anna Santos told The Drive that backward compatibility with some previous models is theoretically possible and that the company aims to offer it where possible.
What happens to the Chevrolet, GMC, Cadillac and Buick apps?
GM plans to replace the separate brand apps with one OnStar app beginning in 2027. The company has not explained the full migration process or identified every supported vehicle.
How will Connected Cameras work?
GM says certain events could trigger onboard cameras to record footage, upload it to the OnStar app through the cloud and alert the owner. An aggressive horn honk was given as an example; detailed trigger rules and retention policies have not been announced.
Can drivers still speak to an OnStar representative?
Yes. GM said customers will still be able to call and speak with a person through OnStar alongside the planned AI assistant.
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